MESON Chess Problem Database
Problem Display
PID: 38477 (3R2K1/2p2B2/pBQ1p1p1/P1PN1bp1/3k2P1/P2p1P2/1n1P4/2N1R3 w - - 0 1)
Anderson, Gerald Frank
Recomm., BCF 016. Ty., 1934-1935
#2
14 + 9
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Se3#
- 1...Be4
- 2.Rxe4#
- 1...Bxg4
- 2.Re4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Kc4
- Tries
- 1.Kg7?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Kh7?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Kf8?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Kh8?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Ba7?
- threat
- 2.Sb6#
- 1...Kc4
- 2.Se3#
- 1...exd5
- 2.Qxd5#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- threat
- 1.Bxc7?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Kc4
- 2.Se3#
- 2.Sb6#
- 1...exd5
- 2.Qxd5#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- threat
- 1.Bxe6?
- threat
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sxc7#
- 2.Se7#
- 1...Kc4
- 2.Se3#
- 1...cxb6
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Sb3#
- 1...Bxe6+!
- threat
- 1.Be8?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Rxe6?
- threat
- 2.Se3#
- 1...Kc4
- 2.Se3#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Sb3#
- 1...Bxe6!
- threat
- 1.Rd7?
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...Be4
- 2.Rxe4#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...e5!
- 1...Kc4
- 1.Qa4+?
- 1...Sc4
- 2.Sb3#
- 2.Sc3#
- 2.Sf4#
- 2.Sf6#
- 2.Sxc7#
- 2.Se7#
- 1...Sxa4!
- 1...Sc4
- 1.Qb5?
- threat
- 2.Sb3#
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sxc7#
- 2.Se7#
- 1...exd5
- 2.Sb3#
- 2.Rxd5#
- 1...cxb6
- 2.Sb3#
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Be4
- 2.Rxe4#
- 1...e5
- 2.Sb3#
- 1...Sc4
- 2.Sb3#
- 1...c6
- 2.Sb3#
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...axb5!
- threat
- 1.gxf5?
- threat
- 2.Re4#
- 1...Kc4
- 2.Se3#
- 2.Re4#
- 1...exf5
- 2.Sc3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sxc7#
- 2.Se7#
- 1...gxf5!
- threat
- 1.Kg7?
- Keys
- 1.Rd6!
- 1...Kc4
- 2.Se3#
- 1...Bxg4
- 2.Re4#
- 1...exd5
- 2.Qxd5#
- 1...cxb6
- 2.Sxb6#
- 1...cxd6
- 2.cxd6#
- 1...Be4
- 2.Rxe4#
- 1...e5
- 2.Sxc7#
- 1...Sd1
- 2.Qa4#
- 1...Sa4
- 2.Qxa4#
- 1...Sc4
- 2.Sb3#
- 1...Kc4
- 1.Rd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD::R1(B),XB(d)
- B(d);N_GUARD,XP(F)::R1(B)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- Tries
- Try
- K(N);P-FLIGHT
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- K(N);S_FLIGHT
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- K(N);P-FLIGHT
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- K(N);P-FLIGHT
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- B(J);
- Threat
- R(M)+S(I)
- Vars
- K(c);P-FLIGHT::S(I)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- B(J);XP(i)
- Threat
- DUALS(2)
- Vars
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- B(L);XP(g)
- Threat
- DUALS(6)
- Vars
- K(c);P-FLIGHT::B(L)+S(I),DCHECK
- B(d);N_GUARD::R1(B),XB(d)
- S(a);SBLOCK::S(A)
- Refutation
- B(d);CHECK,XB(L)
- Try
- B(L);
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- R(B);XP(g)
- Threat
- R(M)+S(I)
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);SBLOCK::S(A)
- Refutation
- B(d);P_PINB(L),XR(B)
- Try
- R(M);
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
- Refutation
- P(g);
- Try
- Q(K);CHECK
- Refutation
- S(a);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(7)
- Vars
- B(d);N_GUARD::R1(B),XB(d)
- P(g);::S(A)
- S(a);::S(A)
- Refutation
- P(f);XQ(K)
- Try
- P(F);XB(d)
- Threat
- R1(B)
- Refutation
- P(h);XP(F)
- Try
- Actual
- R(M);
- Vars
- K(c);P-FLIGHT::S(I)
- B(d);N_GUARD,XP(F)::R1(B)
- P(g);OGATE,P_SPINP(g),XS(I)::QAR1(K),XP(g)
- P(i);XB(J)::R(M)+S(I),XP(i)
- P(i);OGATE,XR(M)::B(J)+P(H),XP(i)
- B(d);N_GUARD::R1(B),XB(d)
- P(g);::R(M)+S(I),XP(i)
- S(a);N_GUARD::QAR(K)
- S(a);N_GUARD::QAR(K),XS(a)
- S(a);SBLOCK::S(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).